Quiz Discussion

Four people are running around a circular ground from a point on the circumference at 9.00 am. For one round, these four persons take respectively 40, 50, 60 and 30 minutes. At what time will they meet together again ?

Course Name: Quantitative Aptitude

  • 1] 4.30 pm
  • 2] 7.00 pm
  • 3] 6.00 pm
  • 4] 5.30 pm
Solution
No Solution Present Yet

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# Quiz
1
Discuss

A is travelling at 72 km per hour on a highway while B is travelling at a speed of 25 mitres per second. What us the difference in their speeds in mitres per second ?

  • 1]

    \(1\frac{1}{2} \)m/sec

  • 2]

    2 m/sec

  • 3]

    3 m/sec

  • 4]

    5 m/sec

Solution
2
Discuss

P and Q are 27 km away. Two trains with speed of 24 km/hr and 18 km/hr respectively start simultaneously from P and Q and travel in the same direction. They meet at a point R beyond Q. Distance QR is :

  • 1] 126 km
  • 2] 81 km
  • 3] 48 km
  • 4] 36 km
Solution
3
Discuss

A train running at a speed of 54 km/hr crosses a platform in 30 seconds. The platform is renovated and its length is doubled. Now, the same train running at same speed crosses the platform in 46 seconds. Find the length of the train.

  • 1] 180 metres
  • 2] 200 metres
  • 3] 210 metres
  • 4] 240 metres
  • 5] 450 meters
Solution
4
Discuss

A is twice fast as B and B is thrice fast as C. The journey covered by C in 78 minutes will be covered by A in :

  • 1] 13 min
  • 2] 15.5 min
  • 3] 17 min
  • 4] 12 min
Solution
5
Discuss

With an average speed of 50 km/hr, a train reaches its destination in time. If it goes with an average speed of 40 km/hr, it is late by 24 min. The total journey is :

  • 1] 30 km
  • 2] 40 km
  • 3] 70 km
  • 4] 80 km
Solution
6
Discuss

An aeroplane flies twice as fast as a train which covers 60 miles in 80 minutes. What distance will the aeroplane cover in 20 minutes ?

  • 1] 30 miles
  • 2] 35 miles
  • 3] 40 miles
  • 4] 50 miles
Solution
7
Discuss

A thief is noticed by a policeman from a distance of 200 metres the thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km/hr and 11 km/hr respectively. What is the distance between them after 6 minutes ?

  • 1] 100 m
  • 2] 190 m
  • 3] 200 m
  • 4] 150 m
Solution
8
Discuss

Two trains start simultaneously from two stations Howrah and Delhi, respectively towards each other on the same track. The distance between the two stations is 560 km and the speeds of trains are 30 kmph and 40 kmph.

  • 1] 70 km
  • 2] 560 km
  • 3] 640 km
  • 4] 650 km
  • 5] None of these
Solution
9
Discuss

Two trains start from P and Q respectively and travel towards each other at a speed of 50 km/hr and 40 km/hr respectively. By the time they meet the first train has travelled 100 km more than second. The distance between P and Q is:

  • 1]

    500 km

  • 2]

    630 km

  • 3]

    660 km

  • 4]

    900 km

Solution
10
Discuss

A car takes 15 minutes less to cover a distance of 75 km, if it increases its speed by 10 km/hr from its usual speed. How much time would it take to cover a distance of 300 km using this speed ?

  • 1]

    5 hrs

  • 2]

    \(5\frac{1}{2}\) hrs

  • 3]

    6 hrs

  • 4]

    \(6\frac{1}{2}\) hrs

Solution
# Quiz